<template>
  <div class="enterprise">
    <el-card>
      <el-form inline :model="pageParams">
        <el-form-item label="企业名称">
          <el-input size="small" placeholder="请输入企业名称" v-model="pageParams.name"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button size="small" icon="el-icon-search" type="primary" @click="handleSearch">查询</el-button>
        </el-form-item>
      </el-form>
    </el-card>
    <el-card>
      <el-button size="small" icon="el-icon-plus" type="success" @click="handleAdd">添加企业</el-button>

      <el-table border size="small" stripe :header-cell-style="{background:'#4d8ed9',color:'#fff'}" :data="enterpriseList" v-loading="loading" element-loading-text="拼命加载中" @expand-change="expandChange">
        <el-table-column type="expand">
          <template #default="{row}">
            <contract-table :contract-list="row.list" :enterpriseId="enterpriseId"></contract-table>
          </template>
        </el-table-column>
        <el-table-column label="序号" type="index" align="center"></el-table-column>
        <el-table-column label="企业名称" prop="name" align="center"></el-table-column>
        <el-table-column label="联系人" prop="contact" align="center"></el-table-column>
        <el-table-column label="联系电话" prop="contactNumber" align="center"></el-table-column>
        <el-table-column label="操作" align="center">
          <template #default="{row}">
            <el-button type="text" @click="handleAddContract(row)">添加合同</el-button>
            <el-button type="text">查看</el-button>
            <el-button type="text" @click="handleEdit(row)">编辑</el-button>
            <el-button type="text" @click="handleDelete(row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="pageParams.page" :page-sizes="[15, 20, 30, 40]" :page-size="pageParams.pageSize" layout="total, sizes, prev, pager, next, jumper" :total="total" background></el-pagination>

      <el-dialog :title="title" :visible.sync="dialogVisible" width="35%" @close="$refs.enterpriseForm.resetForm()">
        <enterprise-form :edit="edit" @success="handleSuccess" ref="enterpriseForm"></enterprise-form>
      </el-dialog>

      <el-drawer title="添加合同" :visible.sync="drawerVisible" @close="$refs.contractForm.resetForm()">
        <contract-form :enterpriseId="enterpriseId" @success="handleSuccess" ref="contractForm"></contract-form>
      </el-drawer>

    </el-card>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import EnterpriseForm from '@/views/park/enterprise/components/enterpriseForm/enterpriseForm.vue'
import ContractForm from '@/views/park/enterprise/components/contractForm/contractForm.vue'
import ContractTable from '@/views/park/enterprise/components/contractTable/contractTable.vue'

export default {
  name: 'enterprise',
  components: { ContractTable, ContractForm, EnterpriseForm },
  data() {
    return {
      /* 获取企业列表的分页参数 */
      pageParams: {
        page: 1,
        pageSize: 15,
        name: undefined
      },
      /* 加载企业列表的loading状态 */
      loading: false,
      /* 是否处于编辑状态 */
      edit: false,
      /* 是否显示添加和编辑企业的弹框 */
      dialogVisible: false,
      /* 是否显示添加合同的抽屉 */
      drawerVisible: false,
      /* 当前的企业ID */
      enterpriseId: null
    }
  },
  methods: {
    /* 获取企业列表的回调函数 */
    async fetchEnterpriseList() {
      try {
        this.loading = true
        await this.$store.dispatch('enterprise/fetchEnterpriseList', this.pageParams)
      } catch (error) {
        this.$message.error(error.message)
      } finally {
        this.loading = false
      }
    },
    /* 分页器一页展示的数据条数发生变化的回调函数 */
    handleSizeChange(pageSize) {
      this.pageParams.pageSize = pageSize
      this.fetchEnterpriseList()
    },
    /* 分页器当前页发生变化的回调函数 */
    handleCurrentChange(page) {
      this.pageParams.page = page
      this.fetchEnterpriseList()
    },
    /* 点击查询按钮的回调函数 */
    handleSearch() {
      this.pageParams.page = 1
      this.fetchEnterpriseList()
    },
    /* 点击删除按钮的回调函数 */
    async handleDelete(row) {
      const confirm = await this.$confirm(`删除${row.name}, 是否继续?`, '提示', { type: 'warning' }).catch(error => error)
      if (confirm === 'cancel') return
      try {
        const deleteResult = await this.$store.dispatch('enterprise/deleteEnterprise', row.id)
        this.$message.success(deleteResult)
        this.fetchEnterpriseList()
      } catch (error) {
        this.$message.error(error.message)
      }
    },
    /* 点击添加按钮的回调函数 */
    handleAdd() {
      this.dialogVisible = true
      this.edit = false
    },
    /* 点击编辑按钮的回调函数 */
    handleEdit(row) {
      this.dialogVisible = true
      this.edit = true
      this.$nextTick(() => {
        this.$refs.enterpriseForm.findEnterprise(row.id)
      })
    },
    handleSuccess() {
      this.dialogVisible = false
      this.drawerVisible = false
      this.fetchEnterpriseList()
    },
    /* 点击添加合同按钮的函数 */
    handleAddContract(row) {
      this.enterpriseId = row.id
      this.drawerVisible = true
    },
    /*
   * 当用户对某一行展开或者关闭的时候会触发该事件（展开行时，回调的第二个参数为 expandedRows；树形表格时第二参数为 expanded）
   *  */
    async expandChange(row, expandedRows) {
      const enterprise = expandedRows.find(item => item.id === row.id)
      if (!enterprise) return
      try {
        this.enterpriseId = row.id
        await this.$store.dispatch('enterprise/fetchContractList', row.id)
      } catch (error) {
        this.$message.error(error.message)
      }
    },

  },
  computed: {
    ...mapGetters('enterprise', ['enterpriseList', 'total']),
    title() {
      return this.edit ? '编辑企业' : '添加企业'
    }
  },
  mounted() {
    this.fetchEnterpriseList()
  }
}
</script>

<style scoped lang="scss">
.enterprise {
  .el-card {
    margin-bottom: 10px;

    .el-form-item {
      margin-bottom: unset;
    }

    .el-table {
      margin: 10px 0;
    }

    .el-pagination {
      display: flex;
      justify-content: center;
    }

    ::v-deep .el-dialog__body {
      display: flex;
      justify-content: center;
    }

    ::v-deep .el-drawer__body {
      display: flex;
      justify-content: center;
    }
  }
}
</style>

